A copper stript of brass and iron 10 cm Long at 20°c is
held horizontally with the iron uppermost. When heated
from below with the bunsen burner, the temperature
of the brass 820°c and the iron is 770°c .
calculate the difference in length of the irons and brass
Ab 19x10-6
1210-6 per degree
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Ответ:
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Explanation:
Ответ:
Well the oldest thing I own...is my body. Yeah I have had it since I was born!